Method for the catalytical preparation of acrylonitrile

Details Method for the catalytical preparation of acrylonitrile Method for the catalytical preparation of acrylonitrile

1976-10-14

1978-01-24

Brust, Joseph P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252439, C07C12014

Patent

active

040703908

ABSTRACT:
Acrylonitrile can be produced in a high yield by the catalytical ammoxidation of propylene at an elevated temperature, preferably of 330.degree. to 470.degree. C, in the presence of a new type of catalyst consisting of an oxide composition of the empirical formula: Mo.sub.a Co.sub.b Fe.sub.c Bi.sub.d X.sub.e O.sub.f wherein X denotes at least one atom of an element selected from vanadium and tellurium and wherein the ratio a:b:c:d:e:f is in a range of 10:3 to 10:1 to 7:0.1 to 0.7:0.01 to 1:34.6 to 54.1, said catalyst being prepared by providing an aqueous mixture containing molybdenum-, cobalt- and iron-containing compounds, bismuth-containing compound, and vanadium-or tellurium-containing compound, converting the aqueous mixture into a dried solid mixture and calcining the solid mixture at a temperature of at least 500.degree. C.

REFERENCES:
patent: 3471545 (1969-10-01), Giordano et al.
patent: 3492248 (1970-01-01), Notari et al.
patent: 3641102 (1972-02-01), Reulet et al.
patent: 3642930 (1972-02-01), Grasselli et al.
patent: 3686265 (1972-08-01), Reulet et al.
patent: 3766092 (1973-10-01), Honda et al.
patent: 3907713 (1975-09-01), Grasselli et al.
patent: 3907859 (1975-09-01), Grasselli et al.

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